🌐EnglishEnglishPolskiالعربية中文EntityQ3888063· pop 5· linked from 5 articlesproper transfer functiontransfer function in which the degree of the numerator does not exceed the degree of the denominatorAvailable in 5 languages中文العربيةEsperantoPolskivia Wikidata sitelinks · CC0ConnectionsinequalityEntitycontrol theoryEntityCategoriesControl theory